var createError = require("http-errors");
var express = require("express");
var path = require("path");
var cookieParser = require("cookie-parser");
var logger = require("morgan");

//登陆需要的session配置
const session = require("express-session");
const FileStore = require("session-file-store")(session);

var indexRouter = require("./routes/index");
var usersRouter = require("./routes/users");
var orderRouter = require("./routes/order");
var adminRouter = require("./routes/admin");
var carsRouter = require("./routes/cars");
//连接mongoose
require("./dao/database");
var app = express();

// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");

// CORS：设置允许跨域中间件
var allowCrossDomain = function (req, res, next) {
	res.header("Access-Control-Allow-Origin", "*");
	res.header(
		"Access-Control-Allow-Headers",
		"X-Requested-With,Origin,Content-Type,Accept"
	);
	res.header("Access-Control-Allow-Methods", "PUT,POST,GET,DELETE,OPTIONS");
	res.header("Access-Control-Allow-Credentials", "true");
	next();
};
app.use(allowCrossDomain); // 使用该中间件

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));

//session配置
app.use(
	session({
		name: "currentUser",
		secret: "secret",
		store: new FileStore(),
		saveUninitialized: false,
		resave: false,
		cookie: {
			maxAge: 1000 * 60 * 40, // 40分钟
		},
	})
);

app.use("/", indexRouter);
app.use("/users", usersRouter);
app.use("/order", orderRouter);
app.use("/admin", adminRouter);
app.use("/cars", carsRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
	next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
	// set locals, only providing error in development
	res.locals.message = err.message;
	res.locals.error = req.app.get("env") === "development" ? err : {};

	// render the error page
	res.status(err.status || 500);
	res.render("error");
});

//module.exports = app;
app.listen("3000", () => {
	console.log("3000端口Link Start");
});
